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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package org.apache.tinkerpop.gremlin.hadoop.structure.io;
import org.apache.tinkerpop.gremlin.AbstractGremlinTest;
import org.apache.tinkerpop.gremlin.GraphManager;
import org.apache.tinkerpop.gremlin.hadoop.Constants;
import org.apache.tinkerpop.gremlin.process.computer.ComputerResult;
import org.apache.tinkerpop.gremlin.process.computer.GraphComputer;
import org.apache.tinkerpop.gremlin.process.computer.clustering.peerpressure.ClusterCountMapReduce;
import org.apache.tinkerpop.gremlin.process.computer.clustering.peerpressure.PeerPressureVertexProgram;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.structure.io.Storage;
import org.apache.tinkerpop.gremlin.util.iterator.IteratorUtils;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Marko A. Rodriguez (http://markorodriguez.com)
*/
public abstract class AbstractStorageCheck extends AbstractGremlinTest {
public void checkHeadMethods(final Storage storage, final String inputLocation, final String outputLocation, final Class outputGraphParserClass, final Class outputMemoryParserClass) throws Exception {
// TEST INPUT GRAPH
assertFalse(storage.exists(outputLocation));
if (inputLocation.endsWith(".json") && storage.exists(inputLocation)) { // gryo is not text readable
assertEquals(6, IteratorUtils.count(storage.head(inputLocation)));
for (int i = 0; i < 7; i++) {
assertEquals(i, IteratorUtils.count(storage.head(inputLocation, i)));
}
assertEquals(6, IteratorUtils.count(storage.head(inputLocation, 10)));
}
////////////////////
final ComputerResult result = graphProvider.getGraphComputer(graph).program(PeerPressureVertexProgram.build().create(graph)).mapReduce(ClusterCountMapReduce.build().memoryKey("clusterCount").create()).submit().get();
// TEST OUTPUT GRAPH
assertTrue(storage.exists(outputLocation));
assertTrue(storage.exists(Constants.getGraphLocation(outputLocation)));
assertEquals(6, result.graph().traversal().V().count().next().longValue());
assertEquals(0, result.graph().traversal().E().count().next().longValue());
assertEquals(6, result.graph().traversal().V().values("name").count().next().longValue());
assertEquals(6, result.graph().traversal().V().values(PeerPressureVertexProgram.CLUSTER).count().next().longValue());
assertEquals(2, result.graph().traversal().V().values(PeerPressureVertexProgram.CLUSTER).dedup().count().next().longValue());
assertEquals(6, IteratorUtils.count(storage.head(Constants.getGraphLocation(outputLocation), outputGraphParserClass)));
for (int i = 0; i < 7; i++) {
assertEquals(i, IteratorUtils.count(storage.head(Constants.getGraphLocation(outputLocation), outputGraphParserClass, i)));
}
assertEquals(6, IteratorUtils.count(storage.head(Constants.getGraphLocation(outputLocation), outputGraphParserClass, 346)));
/////
// TEST MEMORY PERSISTENCE
assertEquals(2, (int) result.memory().get("clusterCount"));
assertTrue(storage.exists(Constants.getMemoryLocation(outputLocation, "clusterCount")));
assertEquals(1, IteratorUtils.count(storage.head(outputLocation, "clusterCount", outputMemoryParserClass)));
assertEquals(2, storage.head(outputLocation, "clusterCount", outputMemoryParserClass).next().getValue());
}
public void checkRemoveAndListMethods(final Storage storage, final String outputLocation) throws Exception {
final String graphLocation = Constants.getGraphLocation(outputLocation);
final String memoryLocation= Constants.getMemoryLocation(outputLocation, "clusterCount");
final GraphComputer graphComputer = graphProvider.getGraphComputer(graph);
graphComputer.program(PeerPressureVertexProgram.build().create(graph)).mapReduce(ClusterCountMapReduce.build().memoryKey("clusterCount").create()).submit().get();
assertTrue("storage.exists(outputLocation)", storage.exists(outputLocation));
assertTrue("storage.exists(graphLocation)", storage.exists(graphLocation));
assertTrue("storage.exists(memoryLocation)", storage.exists(memoryLocation));
assertEquals(2, storage.ls(outputLocation).size());
assertTrue("storage.rm(graphLocation)", storage.rm(graphLocation));
assertFalse("storage.rm(graphLocation)", storage.rm(graphLocation));
assertFalse("storage.exists(graphLocation)", storage.exists(graphLocation));
assertEquals(1, storage.ls(outputLocation).size());
assertTrue("storage.rm(memoryLocation)", storage.rm(memoryLocation));
assertFalse("storage.rm(memoryLocation)", storage.rm(memoryLocation));
assertFalse("storage.exists(memoryLocation)", storage.exists(memoryLocation));
assertEquals(0, storage.ls(outputLocation).size());
storage.rm(outputLocation);
assertFalse("storage.exists(outputLocation)", storage.exists(outputLocation));
assertEquals(0, storage.ls(outputLocation).size());
}
public void checkCopyMethods(final Storage storage, final String outputLocation, final String newOutputLocation, final Class outputGraphParserClass, final Class outputMemoryParserClass) throws Exception {
graphProvider.getGraphComputer(graph).program(PeerPressureVertexProgram.build().create(graph)).mapReduce(ClusterCountMapReduce.build().memoryKey("clusterCount").create()).submit().get();
assertTrue(storage.exists(outputLocation));
assertTrue(storage.exists(Constants.getGraphLocation(outputLocation)));
assertTrue(storage.exists(Constants.getMemoryLocation(outputLocation, "clusterCount")));
assertFalse(storage.exists(newOutputLocation));
assertTrue(storage.cp(outputLocation, newOutputLocation));
assertTrue(storage.exists(outputLocation));
assertTrue(storage.exists(Constants.getGraphLocation(outputLocation)));
assertTrue(storage.exists(Constants.getMemoryLocation(outputLocation, "clusterCount")));
assertTrue(storage.exists(newOutputLocation));
assertTrue(storage.exists(Constants.getGraphLocation(newOutputLocation)));
assertTrue(storage.exists(Constants.getMemoryLocation(newOutputLocation, "clusterCount")));
assertEquals(2, storage.ls(newOutputLocation).size());
assertEquals(6, IteratorUtils.count(storage.head(outputLocation, outputGraphParserClass)));
assertEquals(6, IteratorUtils.count(storage.head(newOutputLocation, outputGraphParserClass)));
assertEquals(1, IteratorUtils.count(storage.head(outputLocation, "clusterCount", outputMemoryParserClass)));
assertEquals(1, IteratorUtils.count(storage.head(newOutputLocation, "clusterCount", outputMemoryParserClass)));
}
public void checkResidualDataInStorage(final Storage storage, final String outputLocation) throws Exception {
final GraphTraversal<Vertex, Long> traversal = g.V().both("knows").groupCount("m").by("age").count();
assertEquals(4l, traversal.next().longValue());
assertFalse(storage.exists(outputLocation));
assertFalse(storage.exists(Constants.getGraphLocation(outputLocation)));
///
assertEquals(3, traversal.asAdmin().getSideEffects().<Map<Integer, Long>>get("m").size());
assertEquals(1, traversal.asAdmin().getSideEffects().<Map<Integer, Long>>get("m").get(27).longValue());
assertEquals(2, traversal.asAdmin().getSideEffects().<Map<Integer, Long>>get("m").get(29).longValue());
assertEquals(1, traversal.asAdmin().getSideEffects().<Map<Integer, Long>>get("m").get(32).longValue());
}
public void checkFileDirectoryDistinction(final Storage storage, final String directory1, final String directory2) throws Exception {
assertTrue(storage.exists(directory1));
assertTrue(storage.exists(directory2));
assertTrue(storage.exists(directory1 + "/f*"));
assertTrue(storage.exists(directory2 + "/f*"));
assertEquals(10, storage.ls(directory1).size());
assertEquals(10, storage.ls(directory1 + "/*").size());
assertEquals(5, storage.ls(directory2).size());
assertEquals(5, storage.ls(directory2 + "/*").size());
for (int i = 0; i < 10; i++) {
assertTrue(storage.exists(directory1 + "/file1-" + i + ".txt.bz"));
assertTrue(storage.exists(directory1 + "/file1-" + i + "*"));
assertTrue(storage.exists(directory1 + "/file1-" + i + ".txt*"));
assertTrue(storage.exists(directory1 + "/file1-" + i + ".*.bz"));
assertTrue(storage.exists(directory1 + "/file1-" + i + ".*.b*"));
}
assertFalse(storage.exists(directory1 + "/file1-10.txt.bz"));
for (int i = 0; i < 5; i++) {
assertTrue(storage.exists(directory2 + "/file2-" + i + ".txt.bz"));
assertTrue(storage.exists(directory2 + "/file2-" + i + "*"));
assertTrue(storage.exists(directory2 + "/file2-" + i + ".txt*"));
assertTrue(storage.exists(directory2 + "/file2-" + i + ".*.bz"));
assertTrue(storage.exists(directory2 + "/file2-" + i + ".*.b*"));
}
assertFalse(storage.exists(directory2 + "/file1-5.txt.bz"));
assertTrue(storage.rm(directory1 + "/file1-0.txt.bz"));
assertFalse(storage.rm(directory1 + "/file1-0.txt.bz"));
assertEquals(9, storage.ls(directory1).size());
assertEquals(9, storage.ls(directory1 + "/*").size());
assertEquals(9, storage.ls(directory1 + "/file*").size());
assertEquals(9, storage.ls(directory1 + "/file1*").size());
assertEquals(0, storage.ls(directory1 + "/file2*").size());
assertEquals(5, storage.ls(directory2).size());
assertEquals(5, storage.ls(directory2 + "/*").size());
assertEquals(5, storage.ls(directory2 + "/file*").size());
assertEquals(5, storage.ls(directory2 + "/file2*").size());
assertEquals(0, storage.ls(directory2 + "/file1*").size());
assertTrue(storage.rm(directory1 + "/file1-*"));
assertFalse(storage.rm(directory1 + "/file1-*"));
assertEquals(0, storage.ls(directory1).size());
assertEquals(0, storage.ls(directory1 + "/*").size());
assertEquals(5, storage.ls(directory2).size());
assertEquals(5, storage.ls(directory2 + "/*").size());
assertTrue(storage.rm(directory2 + "/f*"));
assertFalse(storage.rm(directory2 + "/file*"));
assertEquals(0, storage.ls(directory2).size());
assertEquals(0, storage.ls(directory2 + "/*").size());
}
}